Use the space below to list as many different ways you can arrange 10 pool balls into an up
down triangle so that any pool ball in the triangle is the result of the difference between the
two pool balls above it. feel free to use a separate sheet of paper if you need more space.

1foot = 12 inches; 1 yard = 3 feet

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Suppose i flip two identical coins. what is the probability that i get one head and one tail?